A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 25/00 (2006.01) A61F 2/82 (2006.01)
Patent
CA 2408866
A rapid exchange stent delivery catheter which includes an inner tubular member and an outer tubular member slidably disposed thereon. The inner tubular member and the outer tubular member have rapid exchange type guide wire openings. The guide wire opening of the outer tubular member is preferably shorter in length than the guide wire opening of the inner tubular member to protect the inner workings of the catheter. The outer tubular member may include a guide wire access sleeve having a guide wire ramp extending into the guide wire lumen of the inner tubular member. The guide wire sleeve may be a separate component from the remainder of the outer tubular member to facilitate efficient manufacture.
La présente invention concerne un cathéter de pose d'endoprothèse à échange rapide, comprenant un élément tubulaire interne ainsi qu'un élément tubulaire externe disposé de manière à pouvoir coulisser sur ledit élément tubulaire interne. L'élément tubulaire interne ainsi que l'élément tubulaire externe comportent des ouvertures de fil-guide à échange rapide. L'ouverture de fil-guide de l'élément tubulaire externe présente de préférence une longueur inférieure à celle de l'ouverture de fil-guide de l'élément tubulaire externe, de manière à protéger les éléments de fonctionnement internes du cathéter. L'élément tubulaire externe peut comprendre un manchon d'accès de fil-guide pourvu d'une rampe de fil-guide s'étendant dans la lumière de fil-guide de l'élément tubulaire interne. Le manchon de fil-guide peut être un composant séparé du reste de l'élément tubulaire extérieur afin de faciliter une fabrication efficace.
Bronson Mary
Gerdts Michael
Powell August
Boston Scientific Limited
Cassan Maclean
LandOfFree
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